Manufacturer: HP (Hewlett-Packard) • Model: HP S2031a Monitor • Serial Number: 3CQ02303KW • Consumer Trade Name: WR733A • Commercial Trade Name (for sales): WR735A • Manufacturing Date: June 2010 • Assembly Number: 603042-050 • Spare Part Number: 611957-001 • Version: CTN121 • Size: 50.8 cm (20 inches) • Screen Type: Color LCD Display • Regulatory Model Number: HSTND-3021-F • Power Input: AC 100–240 Volts, 50/60 Hz, 1.2A (1.2 Amperes) • Warranty Period: One year • Company: Hewlett-Packard Co., Address: 11445 Compaq Center Drive West, Houston, Texas 77070, United States of America • Country of Origin: China • Special Notes: The lamp contains mercury – must be disposed of properly. • Certifications and Standards: CE, Energy Star, PCT, and others.